KABUL, Afghanistan (AP) — The toddler cries as an oxygen mask is fitted to his face, its green elastic band stretched across his sunken cheeks. When he was first hospitalized a month ago, the 2 ½-year-old was fighting for his life. Severely malnourished, Abu Bakar weighed just 6 kilograms (13 pounds), about half what he should. And yet, he is one of the lucky ones: His family got him to Indira Gandhi Children’s Hospital in Kabul, where doctors are providing life-saving care. But for every